GERM Partition Coefficient (Kd) Database
Development and Maintenance by the EarthRef.org Database Team
Data contribution by Roger Nielsen

Partition Coefficients      
Rock Type Mineral Z Elem Value SD Low High Kd Type Info Reference
Basalt Clinopyroxene 38 Sr 0.119       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 56 Ba 0.0309       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 58 Ce     0.359 1.05 Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 60 Nd 0.69       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 62 Sm 0.98       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 63 Eu 0.85       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 66 Dy 1.18       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 68 Er 1.17       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 70 Yb 1.05       Phenocryst-Matrix Nagasawa 1973
Basalt Clinopyroxene 71 Lu 1.12       Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 38 Sr     0.0432 1.51 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 56 Ba     0.126 0.321 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 60 Nd     1.63 3.06 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 62 Sm     1.89 3.78 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 63 Eu     0.94 1.69 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 66 Dy     1.58 3.77 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 68 Er     1.5 3.94 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 70 Yb     2.16 5.9 Phenocryst-Matrix Nagasawa 1973
Trachyte Clinopyroxene 71 Lu     2.68 7.37 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 38 Sr     0.94 3.18 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 56 Ba     0.265 3.4 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 58 Ce     0.0115 0.223 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 60 Nd     0.0078 0.219 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 62 Sm     0.006 0.221 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 63 Eu     1.52 2.35 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 66 Dy     0.0043 0.22 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 68 Er     0.0037 0.219 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 70 Yb     0.0032 0.227 Phenocryst-Matrix Nagasawa 1973
Trachyte Plagioclase 71 Lu     0.0033 0.23 Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 38 Sr 2.2       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 56 Ba 0.57       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 58 Ce 0.57       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 60 Nd 0.192       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 62 Sm 0.146       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 63 Eu 0.96       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 66 Dy 0.114       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 68 Er 0.099       Phenocryst-Matrix Nagasawa 1973
Trachyte-Andesite Plagioclase 70 Yb 0.098       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 38 Sr 0.58       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 56 Ba 0.62       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 60 Nd 0.63       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 62 Sm 0.94       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 63 Eu 1.02       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 66 Dy 1.19       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 68 Er 1.05       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 70 Yb 0.88       Phenocryst-Matrix Nagasawa 1973
Trachyte-Basalt Amphibole 71 Lu 0.89       Phenocryst-Matrix Nagasawa 1973
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